19019128

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1123}}^1$

素因数の和:1231

約数の個数: 32

約数和(自身を含む): 37429200

約数和(自身を除く): 18410072

約数列:

[1, 2, 4, 8, 29, 58, 73, 116, 146, 232, 292, 584, 1123, 2117, 2246, 4234, 4492, 8468, 8984, 16936, 32567, 65134, 81979, 130268, 163958, 260536, 327916, 655832, 2377391, 4754782, 9509564, 19019128]

約数ペア:

[(1, 19019128), (2, 9509564), (4, 4754782), (8, 2377391), (29, 655832), (58, 327916), (73, 260536), (116, 163958), (146, 130268), (232, 81979), (292, 65134), (584, 32567), (1123, 16936), (2117, 8984), (2246, 8468), (4234, 4492)]